* {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f3f5f7;
  font-family: "微软雅黑";
}

ul li {
  list-style: none;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: #00a4ff;
}

.center {
  width: 1200px;
  margin: 0 auto;
}

header {
  height: 42px;
  margin: 30px 0;
}

header .logo {
  float: left;
}

header nav {
  float: left;
  height: 42px;
  margin: 0 48px;
}
header nav a {
  line-height: 42px;
  font-size: 18px;
  padding: 0 16px;
  color: black;
}

header .search {
  float: left;
  width: 416px;
  height: 42px;
}

header .search input {
  float: left;
  width: 348px;
  line-height: 42px;
  border: 1px solid #00a4ff;
  border-right: 0;
  padding-left: 8px;
}

header .search button {
  float: left;
  width: 52px;
  height: 44px;
  border: 0;
  background: url(./imgs/fa-search.png) no-repeat;
  background-position: center;
  background-color: #00a4ff;
}

header .user {
  float: right;
  margin-right: 48px;
  line-height: 42px;
}
header .user img {
  vertical-align: middle;
}

.banner {
  height: 422px;
  background: url(./imgs/xczx_banner_bg.png);
}

.banner .center {
  height: 422px;
  background: url(./imgs/xczx_banner.png) no-repeat;
  background-position: center left;
}

.banner nav {
  float: left;
  height: 422px;
  width: 190px;
  padding: 0 20px;
  background-color: rgba(19, 1, 66, 0.3);
}

.banner li {
  line-height: 42px;
  margin-bottom: 5px;
}

.banner li a > span {
  float: right;
}

/* .banner li a > img {
  display: inline;
  float: right;
} */

.banner a {
  color: white;
}

.banner a:hover {
  color: #00a4ff;
}

.banner .curse {
  float: right;
  width: 230px;
  height: 302px;
  margin-top: 50px;
  background-color: #ffffff;
}

.curse h2 {
  height: 50px;
  line-height: 50px;
  background-color: #9bceea;
  text-align: center;
  color: white;
}

.curse li {
  height: 64px;
  padding-left: 16px;
  border-bottom: 1px solid #eaeaea;
}

.curse li div {
  font-size: 12px;
  line-height: 12px;
  color: #b7b7b7;
}
.curse > div {
  padding: 0 16px;
  height: 36px;
}
.curse a {
  line-height: 36px;
  text-align: center;
  display: block;
  border: 1px solid #00a4ff;
  color: #00a4ff;
  font-weight: bold;
  font-size: 16px;
  letter-spacing: 0.5em;
}

.best {
  margin-top: 12px;
  height: 64px;
  line-height: 64px;
  background-color: #ffffff;
  box-shadow: 0px 2px 3px rgba(0, 0, 0, 0.3);
}

.best h4 {
  float: left;
  margin-left: 16px;
  color: #00a4ff;
}

.best ul {
  float: left;
  margin-left: 16px;
}
.best ul li {
  float: left;
}
.best ul li a {
  border-left: 1px solid #b7b7b7;
  padding: 0 16px;
}

.best > a {
  float: right;
  margin-right: 16px;
  color: #00a4ff;
}

.m1 {
  height: 60px;
  line-height: 60px;
  margin-top: 12px;
}

.m1 h3 {
  float: left;
  color: #494949;
}

.m1 a {
  float: right;
  margin-right: 12px;
  color: #494949;
}

.m-card > ul {
  width: 1425px;
}
.card {
  position: relative;
  width: 228px;
  height: 270px;
  background-color: gray;
  float: left;
  margin-right: 15px;
  margin-bottom: 15px;
  border-radius: 4px;
  background-color: #ffffff;
  box-shadow: 1px 2px 3px rgba(0, 0, 0, 0.3);
}
.card em {
  position: absolute;
  top: 4px;
  right: -4px;
}

.card .card-info {
  padding: 18px 10px;
}

.card .card-info h5 {
  text-align: center;
}
.card .card-info p {
  padding: 16px 0;
  text-align: center;
}
.card .card-info p span {
  color: red;
}

.clearfix::after {
  content: "";
  height: 0;
  display: block;
  clear: both;
  visibility: hidden;
}

footer {
  height: 244px;
  background-color: #ffffff;
}

.footer-left {
  float: left;
  margin-top: 50px;
  width: 520px;
}
.footer-left p {
  margin-top: 16px;
}
.footer-left a {
  display: inline-block;
  border: 1px solid #00a4ff;
  margin-top: 16px;
  padding: 10px 16px;
  font-size: 18px;
  color: #00a4ff;
}

.footer-right {
  margin-top: 50px;
  float: right;
  width: 500px;
}

.footer-right h3 {
  line-height: 40px;
  color: #5d5d5d;
}

.footer-right a {
  font-size: 12px;
}

.footer-right a:hover {
  text-decoration: underline;
}

.footer-right > div {
  float: left;
  width: 160px;
}
